US2787459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic suspension
Assignee: Individual
•
Filing: 1954-11-02
•
Granted: 1957-04-02
•
Expires: 1974-11-02
Abstract
No abstract record available.
Inventors
- 👤 Warnaffe Paul Du Bus De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:49
CPC Classifications
C; C08; C08B; C08B1/00; C08B1/003; B; B60; B60G; B60G11/00; B60G11/22; F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/44; F16F1/445; F16F2236/00; F16F2236/04; F16F2236/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |